He goes into detail the motivation/decision to do lifetime pricing vs subscription pricing here: https://hackersincorporated.com/episodes/lifetime-pricing-is...
The idea is that subscription businesses have churn, and if you can capture the lifetime value of a customer with your one time price, there isn't any difference (other than people feeling grateful when you add new content for "free").
That’s an excellent point, thanks for linking.
My takeaway from this thread is: his theory’s great until you discover that your customers are wiling pay *so* much more.
On a more positive note, I’ve been blown away by the (largely, one conspicuous troll-like annoyance aside) positive thoughts in the comments. Maybe it’s not too late?